package com.qcby.service;

import com.qcby.entity.PlanCourse;

import java.util.List;

public interface PlanCourseService {
    List<PlanCourse> findMinUp();
    List<PlanCourse> findMinDown();
    List<PlanCourse> findMidUp();
    List<PlanCourse> findMidDown();
    List<PlanCourse> findMaxUp();
    List<PlanCourse> findMaxDown();
}
